Jakob Stoklund Olesen | 3cfe010 | 2010-03-04 20:42:07 +0000 | [diff] [blame^] | 1 | ; RUN: llc < %s |
| 2 | ; PR6489 |
| 3 | ; |
| 4 | ; This test case produces a MUL8 instruction and then tries to read the result |
| 5 | ; from the AX register instead of AH/AL. That confuses live interval analysis. |
| 6 | ; |
| 7 | target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64" |
| 8 | target triple = "x86_64-apple-darwin10.0.0" |
| 9 | |
| 10 | define void @func_56(i64 %p_57, i32*** %p_58) nounwind ssp { |
| 11 | for.end: |
| 12 | %conv49 = trunc i32 undef to i8 ; <i8> [#uses=1] |
| 13 | %div.i = udiv i8 %conv49, 5 ; <i8> [#uses=1] |
| 14 | %conv51 = zext i8 %div.i to i32 ; <i32> [#uses=1] |
| 15 | %call55 = call i32 @qux(i32 undef, i32 -2) nounwind ; <i32> [#uses=1] |
| 16 | %rem.i = urem i32 %call55, -1 ; <i32> [#uses=1] |
| 17 | %cmp57 = icmp uge i32 %conv51, %rem.i ; <i1> [#uses=1] |
| 18 | %conv58 = zext i1 %cmp57 to i32 ; <i32> [#uses=1] |
| 19 | %call85 = call i32 @func_35(i32*** undef, i32 undef, i32 %conv58, i32 1247, i32 0) nounwind ; <i32> [#uses=0] |
| 20 | ret void |
| 21 | } |
| 22 | |
| 23 | declare i32 @func_35(i32***, i32, i32, i32, i32) |
| 24 | |
| 25 | declare i32 @qux(i32, i32) |